<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>ajax</title>
</head>
<body>
  <p>
      <input type="button" value="发送" onclick="send();">
  </p>


  <script src="https://code.jquery.com/jquery-3.3.1.min.js" crossOrigin="anonymous"></script>
  <script>
      function send(){
          $.post(
              "/community/alpha/ajax",
              {
                  "name":"张三",
                  "age":23
              },
              function(data){
                  console.log(typeof (data));
                  console.log(data);
                  data = $.parseJSON(data);
                  console.log(typeof (data));
                  console.log(data.code);
                  console.log(data.msg);
              }
          )
      }
  </script>
</body>

</html>